Klaas Kroezen joins the board of Jan XVII
I have been coming here since 2016, and now I get to strengthen this special place from the inside as well.
I have been coming here since 2016, and now I get to strengthen this special place from the inside as well. I have become a board member of Jan XVII, the foundation behind ZeeVELD, perhaps the most beautiful and vibrant retreat centre in the Netherlands.
A place where silence, nature and personal growth come together.
To me, retreats are the greatest gift you can give yourself. That is why, as a volunteer board member, I am happy to contribute to the continued existence and development of this place.
Read also
Klaas Kroezen is an entrepreneur who trains, coaches and speaks. He wrote the #1 Dutch bestseller Sales, Honest & Relaxed and the new book Van klant naar fan (From customer to fan, November 2026). After 25+ years in sales with his own international market research firm, he helps organisations adopt the From customer to fan mindset: selling honestly and relaxed, and turning customers into fans with the whole team.
More about Klaas